/**
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.thinking.walle.recommender.grouplens;

import com.thinking.walle.utils.DBUtil;
import org.apache.mahout.cf.taste.common.TasteException;
import org.apache.mahout.cf.taste.impl.model.jdbc.MySQLJDBCDataModel;

public final class GroupLensDataModel extends MySQLJDBCDataModel {

    public final static String PERFERENCETABLE = "taste_preference";
    public final static String USERID_COLUMN = "user_id";
    public final static String ITEMID_COLUMN = "item_id";
    public final static String PERFERENCE_COLUMN = "preference";
    public final static String TIMESTAMP_COLUM = "timestamp";

    public GroupLensDataModel() throws TasteException {
        super(DBUtil.getDataSource(), PERFERENCETABLE, USERID_COLUMN, ITEMID_COLUMN, PERFERENCE_COLUMN, TIMESTAMP_COLUM);
    }

    public GroupLensDataModel(String dataSourceName) throws TasteException {
        super(lookupDataSource(dataSourceName), PERFERENCETABLE, USERID_COLUMN, ITEMID_COLUMN, PERFERENCE_COLUMN, TIMESTAMP_COLUM);
    }
  
}
